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Force and pressure by Mind Map: Force and pressure
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Force and pressure

Force

What is force?

Push/pull

Capacity to do work

Cause physical change

Types of force

Magnetic force, Push/pull, 2 magnets, Magnetic and non-magnetic

Frictional force, Redece, Lubricants, Oil, Water, Ball bearings, Increase, Rougher materials, Rubber, Softer materials, Rug, Increase weight of two surfaces

Gravitational force, Weight, Amount pf gravitational force acting on the object, Mass x gravitational force, NOT mass, Amount of matter in the object

How to calculate force?

Force = mass x acceleration

Measured in Newton (N), 1 N = 1 pascal x sq metre

Pressure

How to calculate pressure?

Pressure = force/area

Measured in pascal (pa), 1 pa = 1 Newton/sq metre

What is pressure?

Force per unit area applied in a direction perpendicular to the surface of an object

Force acting on an area (per unit area)

Increasing pressure

Decrease surface area

Decreasing pressure

Increase surface area